Tetrahydrophthalic Anhydride (THPA) is a white crystalline powder. It is slightly soluble in benzene and acetone and it is also sensitive to moisture.
\nTetrahydrophthalic Anhydride is an anhydride hardener mainly used in the fields of coatings, epoxy resin curing agents, polyester resins, adhesives, plasticizers, pesticides, etc. It is also used as a chemical intermediate for light colored alkyds.
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